The Kanto region remains the most populous area in Japan, with an estimated 43.2 million residents, accounting for approximately 32% of the national population. With roughly 22.1 million residents, the Chubu region accounts for nearly 16.5% of Japan’s population. Hokkaido, Japan’s northernmost region, maintains a population of approximately 5.8 million, representing around 4.5% of the nation’s total.